Storybook structure forms and components

[b1aserlu]

original issue Group Form Elements #976

#2172 beside components: https://preview-2172--swisspost-design-system-next.netlify.app/
#2175 as a subfolder in components: https://preview-2175--swisspost-design-system-next.netlify.app/

[imagoiq]

As a subfolder in components + alphabetically ordered

[b1aserlu]

added alphabetical order to the preview.ts for all stories.

note: This will sort all the stories by alphabetical order that are not specifically mentioned in the order object.

https://storybook.js.org/docs/react/writing-stories/naming-components-and-hierarchy

[gfellerph]

Discussion from the 23.11.
If form components are moved to a folder under components, the header docs and the icons can go there as well.

[gfellerph]

Closing as implemented